CN118073885B

CN118073885B - Photovoltaic connector

Info

Publication number: CN118073885B
Application number: CN202410465388.6A
Authority: CN
Inventors: 李尚鹏; 宋文龙
Original assignee: Yujin New Energy Technology Shandong Co ltd
Current assignee: Yujin New Energy Technology Shandong Co ltd
Priority date: 2024-04-18
Filing date: 2024-04-18
Publication date: 2024-06-25
Anticipated expiration: 2044-04-18
Also published as: CN118073885A

Abstract

The invention relates to the technical field of photovoltaic connectors, in particular to a photovoltaic connector. A photovoltaic connector comprises a connector female head, a connector male head, two crimping blocks, two fastening sleeves and two sealing heads. The connector female includes a female housing and a female terminal. A first installation channel for a cable to pass through is arranged in the female head shell. The female terminal is arranged in the first mounting channel and comprises a first connecting pipe and a first pressing piece. The male connector comprises a male connector shell and a male terminal, and a second installation channel for a cable to pass through is formed in the male connector shell. The male terminal includes a second connection tube and a second crimping piece. The two crimping blocks are respectively arranged in the first installation channel and the second installation channel. The invention provides a photovoltaic connector, which aims to solve the problems that the existing photovoltaic connector is complex in operation and corrosion can occur at the crimping part of a cable and a conductive terminal, so that poor contact of the connector is caused.

Description

Photovoltaic connector

Technical Field

The invention relates to the technical field of photovoltaic connectors, in particular to a photovoltaic connector.

Background

Along with the development of society and the progress of science and technology, environmental protection and purity energy are paid attention to gradually, photovoltaic is regarded as an environmental protection and can obtain new energy endless and attach to people, and photovoltaic board is a common device of converting solar energy, and has higher requirement to its connector in the use of photovoltaic board, and it requires higher electric connection compactness, leakproofness and fastness, and current photovoltaic module adopts terminal box and photovoltaic connector to install the connection generally, realizes power output. The photovoltaic connector comprises a conductive terminal connected with the tail end of the cable and an insulating shell for accommodating the conductive terminal, and the cable is fixed through a pressing structure after being connected with the conductive terminal.

For example, the chinese patent of the invention with the publication number CN104852183B provides a photovoltaic connector, by plugging a plug of a first connector into a socket of a second connector, and simultaneously, an elastic sheet on the plug is pressed and deformed to abut against an inner wall of the socket to enter the plug, and then the elastic sheet enters a slot of the socket to restore the original shape, thereby completing the connection between the first connector and the second connector; however, when the cable is connected with the conductive terminal, tools such as special crimping pliers are needed to be used, the cable is compressed and then inserted into the connector, the operation is complex, the service life of the connector is often years, and when the service life is too long, the problems of aging, loosening, corrosion and the like can occur at the crimping part, so that the connector is poor in contact and has potential safety hazards.

Disclosure of Invention

The invention provides a photovoltaic connector, which aims to solve the problems that the existing photovoltaic connector is complex in operation and corrosion can occur at the crimping position of a cable and a conductive terminal, so that the connector is poor in contact.

The invention relates to a photovoltaic connector, which adopts the following technical scheme: a photovoltaic connector comprises a connector female head, a connector male head, two crimping blocks, two fastening sleeves and two sealing heads. The connector female includes a female housing and a female terminal. A first installation channel for a cable to pass through is arranged in the female head shell, and the first installation channel is arranged along a first direction. The female terminal is arranged in the first mounting channel and comprises a first connecting pipe and a first pressing piece. The first connecting pipe is arranged along the first direction, the two ends of the first connecting pipe are a first end and a second end, and the first crimping piece is fixedly arranged at the first end of the first connecting pipe.

The male connector comprises a male connector shell and a male terminal, a second installation channel for a cable to pass through is arranged in the male connector shell, and the second installation channel is arranged along a first direction. The male terminal is arranged in the second installation channel and comprises a second connecting pipe and a second pressing piece. The second connecting pipe is arranged along the first direction and is provided with a third end and a fourth end, and the second connecting pipe is arranged in the first connecting pipe. The second crimping piece is fixedly arranged at the fourth end of the second connecting pipe. The male head shell and the female head shell are sequentially arranged along a first direction, and the second end of the first connecting pipe is close to the third end of the second connecting pipe.

The two crimping blocks are respectively arranged in the first installation channel and the second installation channel, and the crimping blocks are positioned at the opening of the first crimping piece or the second crimping piece. The press-connection block can slide along a second direction, and the second direction is perpendicular to the first direction. The crimping block is used for being abutted against the first crimping piece or the second crimping piece. Every crimping piece is last to be provided with the jack-prop, and the jack-prop sets up along first direction, jack-prop and crimping piece inclined plane cooperation promotes the jack-prop, can make the crimping piece remove towards the second direction.

One of the sealing heads is arranged at one end of the female head shell close to the first end of the first connecting pipe. The other sealing head is arranged at one end of the male head shell close to the fourth end of the second connecting pipe. The two sealing heads are used for respectively sealing the female head shell and the male head shell, and clamping assemblies are arranged on the sealing heads and used for clamping cables. Each fastening sleeve is rotationally sleeved on one sealing head, and the fastening sleeve is used for connecting the sealing head with the female head shell or the male head shell and can push the jacking column.

Further, along the second direction, two deformation grooves are formed in one side, close to the first pressing piece or the second pressing piece, of the pressing block, the deformation grooves are formed along the first direction, and the opening of each deformation groove faces the first pressing piece or the second pressing piece. Along the first direction, the deformation groove is including the first draw-in groove and the second draw-in groove that set gradually, and first draw-in groove is the arc, and the second draw-in groove is round platform form, and the less one end of second draw-in groove radius and first draw-in groove are connected. The two sides of the first crimping piece are respectively arranged in the two first clamping grooves of one crimping block. Two sides of the second crimping piece are respectively arranged in two first clamping grooves of the other crimping block.

The first end of first connecting pipe still is fixed and is provided with first guide piece, and first guide piece is in between first connecting pipe and the first crimping piece, and first guide piece and first crimping piece all can be deformed, and the cross-section of first guide piece and first crimping piece perpendicular to first direction all is the U type, and first guide piece and first crimping piece all set up along the second direction, and the opening direction of first guide piece and first crimping piece is unanimous, and in the second direction, and the length of first guide piece is greater than the length of first crimping piece.

The fourth end of second connecting pipe is fixed and is provided with the second guide piece, and the second guide piece is in between second connecting pipe and the second crimping piece, and second guide piece and second crimping piece all can be deformed, and the cross-section of second guide piece and second crimping piece perpendicular to first direction all is the U type, and second guide piece and second crimping piece all set up along the second direction, and the opening direction of second guide piece and second crimping piece is unanimous, and in the second direction, and the length of second guide piece is greater than the length of second crimping piece. Two sides of the U-shaped structure of the first guide piece are respectively arranged in two second clamping grooves of one crimping block. Two sides of the U-shaped structure of the second guide piece are respectively arranged in two second clamping grooves of the other crimping block.

Further, a first reserved passage is formed in the female head shell and is arranged along the first direction, and the first reserved passage is communicated with the first installation passage. The male shell is provided with a second reserved passage, the second reserved passage is arranged along the first direction, and the second reserved passage is communicated with the second installation passage. The two jacking posts are respectively arranged in the first reserved passage and the second reserved passage in a sliding manner.

One end of the jacking column, which is positioned in the first installation channel or the second installation channel, is fixedly provided with a jacking block, and the jacking block is provided with a first inclined plane. One side of the pressing block, which is far away from the first guide piece or the second guide piece, is provided with a second inclined plane, the inclination angles of the second inclined plane and the first inclined plane are the same, and the second inclined plane and the first inclined plane are propped against each other. The fastening sleeve is arranged along the first direction, and one end of the jacking column, which is positioned outside the first reserved passage or the second reserved passage, abuts against the end face of the fastening sleeve.

Further, the sealing head comprises an adjusting cylinder, the clamping assembly comprises a plurality of sealing fixing blocks, the adjusting cylinder is arranged along the first direction, and a wire inlet channel arranged along the first direction is formed in the adjusting cylinder. A plurality of first channels are arranged on the peripheral wall of the adjusting cylinder, the first channels are distributed along the circumferential direction of the adjusting cylinder, and the first channels are communicated with the wire inlet channel. Each sealing fixing block is fixedly arranged in one first channel, is made of rubber, and has a thickness greater than that of the first channel along the radial direction of the adjusting cylinder. One end of the fastening sleeve, which is far away from the female head shell or the male head shell, is fixedly provided with a baffle ring, the baffle ring is arranged in the fastening sleeve, the diameter of the inner part of the baffle ring is equal to that of the adjusting cylinder, and the baffle ring is used for propping against the sealing fixing block.

Further, a first thread is provided on the outer peripheral wall of the female housing near the end of the first connecting tube first end. The outer peripheral wall of the end, close to the fourth end of the second connecting pipe, of the male head shell is provided with second threads. The inner peripheral wall of the fastening sleeve is provided with a third thread which is used for being in threaded fit with the first thread or the second thread, the outer peripheral wall of the adjusting barrel is provided with a fourth thread, and the fourth thread is in threaded fit with the third thread. The threads of the first thread, the second thread and the fourth thread are the same in rotation direction.

Further, the first connecting pipe is internally fixedly provided with a first circular baffle, and the first circular baffle and the first connecting pipe are concentrically arranged. The second connecting pipe is internally and fixedly provided with a second circular baffle, and the second circular baffle and the second connecting pipe are concentrically arranged.

Further, a first annular groove is formed in the first installation channel, and the axis of the first annular groove is arranged along the first direction. A second annular groove is formed in the second installation channel, and the axis of the second annular groove is arranged along the first direction.

The first end of first connecting pipe is fixed and is provided with a plurality of first card lugs, and a plurality of first card lugs distribute along the circumference of first connecting pipe, and first card lugs are in between first connecting pipe and the first guide piece. The first card lug slope sets up, along the direction from the second end to the first end of first connecting pipe, and the centre of a circle of first connecting pipe is kept away from gradually to first card lug, and first card lug can be deformed, and first card lug sets up in first annular.

The fourth end of the second connecting pipe is fixedly provided with a plurality of second clamping convex blocks, the second clamping convex blocks are distributed along the circumferential direction of the second connecting pipe, and the second clamping convex blocks are positioned between the second connecting pipe and the second guide piece. The second card lug slope sets up, along the direction from the third end to the fourth end of second connecting pipe, and the centre of a circle of second connecting pipe is kept away from gradually to the second card lug, and the second card lug can be deformed, and the second card lug sets up in the second annular.

Further, the second end of first connecting pipe is fixed and is provided with a plurality of master pieces, and a plurality of master pieces are along the circumference distribution of first connecting pipe, and the master piece can deform, and a plurality of master pieces are used for setting up in the outside of second connecting pipe.

Further, two connecting holes are formed in the peripheral wall of the female head shell. One end of the male head shell, which is close to the second end of the second connecting pipe, is fixedly provided with two connecting rods, the connecting rods are arranged along the first direction, each connecting rod is fixedly provided with a connecting buckle, and each connecting buckle is arranged in one connecting hole.

Further, a third connecting pipe is fixedly arranged at a third end of the male head shell, the third connecting pipe is arranged along the first direction, the third connecting pipe is used for being arranged in the first installation channel, and a sealing ring is arranged on the peripheral wall of the third connecting pipe.

The beneficial effects of the invention are as follows: according to the photovoltaic connector disclosed by the invention, the two crimping blocks are respectively arranged in the female head shell and the male head shell. The female terminal is arranged in the female head shell, the male terminal is arranged in the male head shell, two cables are respectively inserted into the female head shell and the male head shell, then the fastening sleeve is enabled to move towards the direction close to the female head shell or the male head shell, the end face of the fastening sleeve abuts against the jacking column, and the fastening sleeve pushes the compression joint block to move towards the direction close to the first connecting pipe or the second connecting pipe through the jacking column. The first crimping piece is abutted against a deformation groove in one crimping block, and the crimping block gradually bends the first crimping piece to crimp the cable. The second crimping piece is abutted against the deformation groove in the other crimping block, and the second crimping piece is bent by the crimping block to crimp the cable. The crimping process is completed in the female connector and the male connector, tools are not needed, and the operation is simple, stable and reliable.

When the service time is overlong, the crimping department of first crimping piece, second crimping piece and cable can appear ageing, lax, corrosion scheduling problem for the sealing head moves towards the direction of keeping away from female head casing or public first casing this moment, because sealing fixed block and cable zonulae occludens, drives the cable and removes when the sealing head removes, can form new crimping contact point, guarantees the crimping effect.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a photovoltaic connector according to an embodiment of the present invention;

fig. 2 is a cross-sectional view of a photovoltaic connector according to an embodiment of the present invention;

Fig. 3 is an exploded view of a connector female of a photovoltaic connector according to an embodiment of the present invention;

Fig. 4 is a cross-sectional view of a connector female of a photovoltaic connector according to an embodiment of the present invention;

fig. 5 is an exploded view of a male connector of a photovoltaic connector according to an embodiment of the present invention;

Fig. 6 is a cross-sectional view of a male connector of a photovoltaic connector according to an embodiment of the present invention;

fig. 7 is a schematic structural view of a fastening sleeve and a crimping block of a photovoltaic connector according to an embodiment of the present invention;

Fig. 8 is a cross-sectional view of a fastening sleeve and a crimping block of a photovoltaic connector according to an embodiment of the present invention;

fig. 9 is a schematic structural diagram of a sealing head of a photovoltaic connector according to an embodiment of the present invention;

fig. 10 is a cross-sectional view of a sealing head of a photovoltaic connector according to an embodiment of the present invention.

In the figure: 100. a connector female; 110. a female housing; 111. a connection hole; 112. a first mounting channel; 113. a first reserved channel; 114. a first thread; 116. a first ring groove; 120. a first connection pipe; 121. a master; 122. a first card bump; 123. a first crimping piece; 124. a first guide piece; 125. a first circular baffle; 200. a connector male; 210. a male housing; 211. a connecting buckle; 212. a second mounting channel; 213. a second reserved channel; 214. a second thread; 216. a second ring groove; 217. a seal ring; 221. a second connection pipe; 222. a second card bump; 223. a second crimping piece; 224. a second guide piece; 225. a second circular baffle; 300. a fastening sleeve; 312. a third thread; 320. a press-connection block; 321. a first clamping groove; 322. a second clamping groove; 330. a top column; 332. a top block; 400. a sealing head; 410. an adjustment cylinder; 411. a wire inlet channel; 412. a fourth thread; 420. and sealing the fixed block.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1 to 10, a photovoltaic connector according to an embodiment of the present invention includes a connector female 100, a connector male 200, two crimping blocks 320, two fastening sleeves 300, and two sealing heads 400.

The connector header 100 includes a header housing 110 and a header terminal. The female housing 110 is provided with a first installation channel 112 for a cable to pass through, the first installation channel 112 is arranged along a first direction, and the first installation channel 112 penetrates through the female housing 110. The female terminal is disposed in the first mounting channel 112, and includes a first connection tube 120 and a first crimping piece 123. The first connecting tube 120 is disposed along the first direction, two ends of the first connecting tube 120 are a first end and a second end, and the first pressing tab 123 is fixedly disposed at the first end of the first connecting tube 120.

The connector male 200 includes a male housing 210 and a male terminal. The male housing 210 is provided with a second installation channel 212 through which the cable passes, the second installation channel 212 is disposed along the first direction, and the second installation channel 212 penetrates the male housing 210. The male terminal is disposed in the second mounting passage 212, and includes a second connection pipe 221 and a second crimping piece 223. The second connection pipe 221 is disposed along the first direction, the second connection pipe 221 has a third end and a fourth end, and the second connection pipe 221 is disposed within the first connection pipe 120. The second bonding pad 223 is fixedly disposed at the fourth end of the second connection pipe 221.

The male housing 210 and the female housing 110 are sequentially disposed along a first direction, and the first end of the first connection pipe 120 is an end far away from the male housing 210, and the second end of the first connection pipe 120 is an end near the male housing 210. The third end of the second connection pipe 221 is an end close to the female housing 110, and the fourth end of the second connection pipe 221 is an end far away from the female housing 110.

Two crimping blocks 320 are disposed in the first and second mounting channels 112 and 212, respectively, and the crimping blocks 320 are at the openings of the first crimping piece 123 or the second crimping piece 223. The crimping block 320 is capable of sliding along a second direction, which is perpendicular to the first direction. The pressing block 320 is used to press against the first pressing tab 123 or the second pressing tab 223 and deform the first pressing tab 123 or the second pressing tab 223. Each crimping block 320 is provided with a jack post 330, the jack posts 330 are arranged along the first direction, the jack posts 330 are in inclined plane fit with the crimping blocks 320, and the jack posts 330 are pushed to enable the crimping blocks 320 to move towards the second direction.

One of the sealing heads 400 is disposed at an end of the female housing 110 adjacent to the first end of the first connection tube 120. The other sealing head 400 is disposed at one end of the male housing 210 near the fourth end of the second connection pipe 221. The two sealing heads 400 are used for sealing the female housing 110 and the male housing 210, respectively, and clamping assemblies are arranged on the sealing heads 400 and used for clamping cables. Each fastening sleeve 300 is rotatably sleeved on one sealing head 400, and the fastening sleeve 300 is in threaded fit with the sealing head 400. The fastening sleeve 300 serves to connect the sealing head 400 with the female housing 110 or the male housing 210 and can push the jack post 330.

In this embodiment, along the second direction, two deformation grooves are formed on a side of the pressing block 320 near the first pressing tab 123 or the second pressing tab 223, the deformation grooves are disposed along the first direction, and the opening of the deformation groove faces the first pressing tab 123 or the second pressing tab 223. Along the first direction, the deformation groove is including the first draw-in groove 321 and the second draw-in groove 322 that set gradually, and first draw-in groove 321 is the arc, and second draw-in groove 322 is round platform form, and the less one end of second draw-in groove 322 radius and first draw-in groove 321 are connected. The two sides of the first pressing piece 123 are respectively disposed in the two first clamping grooves 321 of one pressing block 320. The two sides of the second pressing tab 223 are respectively disposed in the two first clamping grooves 321 of the other pressing block 320.

The first end of first connecting pipe 120 is still fixed and is provided with first guide piece 124, first guide piece 124 is in between first connecting pipe 120 and the first crimping piece 123, first guide piece 124 and first crimping piece 123 all can be deformed, the cross-section of perpendicular to first direction of first guide piece 124 and first crimping piece 123 all is the U type, first guide piece 124 and first crimping piece 123 all set up along the second direction, the opening direction of first guide piece 124 and first crimping piece 123 is unanimous, and in the second direction, the length of first guide piece 124 is greater than the length of first crimping piece 123.

The fourth end of the second connection pipe 221 is fixedly provided with a second guide piece 224, the second guide piece 224 is located between the second connection pipe 221 and the second crimping piece 223, the second guide piece 224 and the second crimping piece 223 can be deformed, the cross sections perpendicular to the first direction of the second guide piece 224 and the second crimping piece 223 are U-shaped, the second guide piece 224 and the second crimping piece 223 are arranged along the second direction, the opening directions of the second guide piece 224 and the second crimping piece 223 are consistent, and in the second direction, the length of the second guide piece 224 is larger than that of the second crimping piece 223. Two sides of the U-shaped structure of the first guiding piece 124 are respectively disposed in two second clamping grooves 322 of one pressing block 320. Two sides of the U-shaped structure of the second guiding piece 224 are respectively disposed in two second clamping grooves 322 of the other pressing block 320.

When one of the pressing blocks 320 moves toward the direction approaching the first connecting tube 120, the first guiding piece 124 is abutted against the second clamping groove 322, the first guiding piece 124 is gradually deformed, the opening of the end, close to the first pressing piece 123, of the bent first guiding piece 124 is smaller than the end, far away from the first pressing piece 123, of the first guiding piece 124, and the bent first guiding piece 124 is provided with an inclined plane, which is gradually far away from the axis of the first connecting tube 120 along the direction from the first end to the second end of the first connecting tube 120. The first pressing piece 123 is abutted against the first clamping groove 321, the pressing block 320 gradually bends the first pressing piece 123, and the first pressing piece 123 presses the cable.

When the other pressing block 320 moves toward the direction approaching the second connecting pipe 221, the second guiding piece 224 is pressed against the second clamping groove 322, the second guiding piece 224 is gradually deformed, the opening of the end of the bent second guiding piece 224 approaching the second pressing piece 223 is smaller than the opening of the end of the second guiding piece 224 away from the second pressing piece 223, and the bent second guiding piece 224 has an inclined plane, and the inclined plane gradually approaches to the axis of the second connecting pipe 221 along the direction from the third end to the fourth end of the second connecting pipe 221. The second press-connection piece 223 is abutted against the first clamping groove 321, the press-connection block 320 gradually bends the second press-connection piece 223, and the second press-connection piece 223 presses the cable. When the cable is subsequently moved out of the female housing 110 or the male housing 210, the bent first guide piece 124 and the second guide piece 224 function as guide wires, preventing the cable from being damaged when moving.

In this embodiment, the female housing 110 is provided with a first reserved channel 113, the first reserved channel 113 is disposed along a first direction, and the first reserved channel 113 is communicated with the first mounting channel 112. The male housing 210 is provided with a second reserved passage 213, the second reserved passage 213 is arranged along the first direction, and the second reserved passage 213 is communicated with the second installation passage 212. The two pillars 330 are slidably disposed in the first reserved channel 113 and the second reserved channel 213, respectively.

A top block 332 is fixedly arranged at one end of the top column 330, which is positioned in the first mounting channel 112 or the second mounting channel 212, and a first inclined plane is arranged on the top block 332. The side of the pressing block 320 away from the first guide piece 124 or the second guide piece 224 is provided with a second inclined plane, the inclination angle of the second inclined plane is the same as that of the first inclined plane, and the second inclined plane is abutted against the first inclined plane. The fastening sleeve 300 is disposed along the first direction, and one end of the top post 330 outside the first reserved passage 113 or the second reserved passage 213 abuts against an end surface of the fastening sleeve 300.

When the fastening sleeve 300 moves in a direction approaching the female housing 110 or the male housing 210, the end surface of the fastening sleeve 300 abuts against the top post 330, and pushes the top post 330 to move toward the inside of the first reserved channel 113, the top post 330 drives the top block 332 to move synchronously, and the top block 332 pushes the pressing block 320 to move in a direction approaching the first connection pipe 120 or the second connection pipe 221 due to the abutting of the second inclined surface and the first inclined surface.

In this embodiment, the sealing head 400 includes an adjusting cylinder 410, the clamping assembly includes a plurality of sealing fixing blocks 420, the adjusting cylinder 410 is disposed along a first direction, and a wire inlet channel 411 disposed along the first direction is formed in the adjusting cylinder 410. The circumference wall of the adjusting cylinder 410 is provided with a plurality of first channels, the first channels are distributed along the circumference of the adjusting cylinder 410, and the first channels are communicated with the wire inlet channel 411. Each sealing fixing block 420 is fixedly arranged in a first channel, in an initial state, the sealing fixing blocks 420 are obliquely arranged, the sealing fixing blocks 420 extend out of the outer peripheral wall of the adjusting cylinder 410, the sealing fixing blocks 420 are made of rubber, and the thickness of the sealing fixing blocks 420 is larger than that of the first channel along the radial direction of the adjusting cylinder 410. One end of the fastening sleeve 300, which is far away from the female housing 110 or the male housing 210, is fixedly provided with a blocking ring, the blocking ring is arranged in the fastening sleeve 300, the diameter of the blocking ring is equal to that of the adjusting cylinder 410, and the blocking ring is used for propping against the sealing fixing block 420.

The cables are threaded into the wire passage 411, and each of the fastening sleeves 300 is disposed outside one of the sealing heads 400, with the inner peripheral wall of the retainer ring abutting against the outer peripheral wall of the fastening sleeve 300. The fastening sleeve 300 gradually moves toward the direction approaching the female housing 110 or the male housing 210, the retainer ring gradually contacts the sealing fixing block 420, and presses the sealing fixing block 420 so that the sealing fixing block 420 and the cable are closely attached.

When the service time is too long, the crimping positions of the first crimping piece 123, the second crimping piece 223 and the cable can be aged, loosened, corroded and the like, at this time, the sealing head 400 moves towards a direction away from the female head shell 110 or the male head shell 210, the sealing head 400 drives the cable to move synchronously, a new crimping contact point can be formed, and the crimping effect is ensured.

In the present embodiment, the female housing 110 is provided with a first screw 114 on an outer circumferential wall of one end near the first end of the first connection pipe 120. The male housing 210 is provided with a second screw 214 on an outer circumferential wall of one end near the fourth end of the second connection pipe 221. The fastening sleeve 300 is provided with a third screw thread 312 on an inner circumferential wall, the third screw thread 312 is for screw-coupling with the first screw thread 114 or the second screw thread 214, and the adjusting cylinder 410 is provided with a fourth screw thread 412 on an outer circumferential wall, and the fourth screw thread 412 is screw-coupled with the third screw thread 312. The threads of the first thread 114, the second thread 214, and the fourth thread 412 are the same in direction.

The two fastening sleeves 300 are rotated respectively, the third screw thread 312 on one fastening sleeve 300 is in screw fit with the first screw thread 114 and the fourth screw thread 412, and as the rotation proceeds, the fastening sleeve 300 gradually approaches the female housing 110, and the fastening sleeve 300 fixes the female housing 110 and the sealing head 400 abutted against it. The third thread 312 on the other fastening sleeve 300 is in threaded engagement with the first thread 114 and the fourth thread 412, and as the rotation proceeds, the fastening sleeve 300 gradually approaches the male housing 210, and the fastening sleeve 300 fixes the male housing 210 against the sealing head 400. When the use time is too long, the sealing head 400 is rotated, the fastening sleeve 300 is not moved, the sealing head 400 is rotated relative to the fastening sleeve 300, and the sealing head 400 is moved in a direction away from the female housing 110 or the male housing 210 when rotated.

In this embodiment, the first connecting tube 120 is fixedly provided with a first circular baffle 125 therein, and the first circular baffle 125 and the first connecting tube 120 are concentrically disposed. The second connection pipe 221 is fixedly provided with a second circular baffle 225 therein, and the second circular baffle 225 and the second connection pipe 221 are concentrically arranged. One of the cables is inserted into the sealing head 400, the fastening sleeve 300 and the connector female 100 in order, and the cable enters the first connection pipe 120 until it comes into contact with the first circular barrier 125 and then stops. Another cable is inserted into the sealing head 400, the fastening sleeve 300 and the male housing 210 in this order, and the cable is introduced into the second connection pipe 221 until it is stopped after contacting the second circular baffle 225.

In this embodiment, a first ring groove 116 is formed in the first mounting channel 112, and an axis of the first ring groove 116 is disposed along the first direction. A second ring groove 216 is formed in the second mounting channel 212, and an axis of the second ring groove 216 is disposed along the first direction. The first end of the first connecting tube 120 is fixedly provided with a plurality of first clamping protruding blocks 122, the plurality of first clamping protruding blocks 122 are distributed along the circumferential direction of the first connecting tube 120, and the first clamping protruding blocks 122 are located between the first connecting tube 120 and the first guiding piece 124. The first clamping protrusion 122 is obliquely arranged, along the direction from the second end to the first end of the first connecting tube 120, the first clamping protrusion 122 is gradually far away from the center of the first connecting tube 120, the first clamping protrusion 122 can be deformed, and the first clamping protrusion 122 is arranged in the first annular groove 116.

The fourth end of the second connection pipe 221 is fixedly provided with a plurality of second clamping protrusions 222, the plurality of second clamping protrusions 222 are distributed along the circumferential direction of the second connection pipe 221, and the second clamping protrusions 222 are located between the second connection pipe 221 and the second guide piece 224. The second clamping protrusion 222 is obliquely arranged, along the direction from the third end to the fourth end of the second connecting pipe 221, the second clamping protrusion 222 is gradually far away from the center of the second connecting pipe 221, the second clamping protrusion 222 can be deformed, and the second clamping protrusion 222 is arranged in the second annular groove 216.

First, the female terminal and the male terminal are inserted into the female housing 110 and the male housing 210 according to the shapes, the first clamping protrusion 122 and the second clamping protrusion 222 are deformed, when the first clamping protrusion 122 is positioned in the first annular groove 116 and the second clamping protrusion 222 is positioned in the second annular groove 216, the first clamping protrusion 122 and the second clamping protrusion 222 are reset, the positions of the female housing 110 and the male housing 210 are limited, and the female housing 110 and the male housing 210 are not moved any more.

In this embodiment, the second end of the first connection pipe 120 is fixedly provided with a plurality of mother sheets 121, the plurality of mother sheets 121 are distributed along the circumferential direction of the first connection pipe 120, the mother sheets 121 are deformable, and the plurality of mother sheets 121 are configured to be disposed outside the second connection pipe 221. The second connection pipe 221 is inserted into the plurality of mother sheets 121, and the mother sheets 121 are closely attached to the outer circumferential walls of the second connection pipe 221, thereby achieving a conductive effect.

In the present embodiment, two connection holes 111 are provided in the outer peripheral wall of the female housing 110. Two connecting rods are fixedly arranged at one end, close to the second end of the second connecting pipe 221, of the male housing 210, the connecting rods are arranged along the first direction, a connecting buckle 211 is fixedly arranged on each connecting rod, and each connecting buckle 211 is arranged in one connecting hole 111. The connection rod is inserted into the connection hole 111 and the connection buckle 211 and the connection hole 111 are buckled, thereby completing the connection of the female housing 110 and the male housing 210.

In this embodiment, a third connecting pipe is fixedly disposed at a third end of the male housing 210, the third connecting pipe is disposed along the first direction, the third connecting pipe is used for matching with the first mounting channel 112 on the female housing 110, and a sealing ring 217 is disposed on an outer peripheral wall of the third connecting pipe. After the female housing 110 and the male housing 210 are connected, the third connection pipe is positioned in the first installation channel 112, and the sealing ring 217 is used to seal a space between the third connection pipe and the first installation channel 112.

The working process comprises the following steps: in the assembly, the female and male terminals are first inserted into the female and male housings 110 and 210, respectively, in a shape until the first snap tab 122 is positioned in the first annular groove 116 and the second snap tab 222 is positioned in the second annular groove 216.

The cable ends are then flattened, the length of insulation is stripped, and one of the cables is inserted into the sealing head 400, the fastening sleeve 300, and the connector female 100 in that order, and the cable enters the first connecting tube 120 until it comes into contact with the first circular baffle 125 and stops. Another cable is inserted into the sealing head 400, the fastening sleeve 300 and the male housing 210 in this order, and the cable is introduced into the second connection pipe 221 until it is stopped after contacting the second circular baffle 225.

The two fastening sleeves 300 are respectively rotated, the third thread 312 on one fastening sleeve 300 is in threaded fit with the first thread 114 and the fourth thread 412, the fastening sleeve 300 gradually approaches the female head shell 110 and contacts the jack post 330 along with the rotation, the fastening sleeve 300 continues to rotate, the fastening sleeve 300 pushes the crimping block 320 to move towards the direction approaching the first connecting pipe 120 through the jack post 330, the first guide piece 124, the first crimping piece 123 and the deformation groove are abutted, and the crimping block 320 gradually bends the first guide piece 124 and the first crimping piece 123 to crimp the cable.

The first press-connection piece 123 is abutted against the first clamping groove 321, the first guide piece 124 is abutted against the second clamping groove 322, the first clamping groove 321 is arc-shaped, the second clamping groove 322 is in a round table shape, after the press-connection is completed, the positions of the first press-connection piece 123 are parallel to the axis of the first connecting pipe 120, and the first guide piece 124 is in an inclined state.

The third screw thread 312 on the other fastening sleeve 300 is in screw-fit with the first screw thread 114 and the fourth screw thread 412, and as the rotation proceeds, the fastening sleeve 300 gradually approaches the male housing 210 and contacts the jack post 330, the fastening sleeve 300 rotates, the fastening sleeve 300 pushes the crimping block 320 to move toward the direction approaching the second connection pipe 221 through the jack post 330, the second guide piece 224, the second crimping piece 223 and the deformation groove abut, and the crimping block 320 gradually bends the second guide piece 224 and the second crimping piece 223 to crimp the cable.

After the connection is completed, the connector female 100 and the connector male 200 are inserted, i.e. the connecting rod is inserted into the connecting hole 111, and the connecting buckle 211 and the connecting hole 111 are buckled.

When the service time is too long, the crimping positions of the first crimping piece 123, the second crimping piece 223 and the cable can be aged, loosened, corroded and the like, at this time, the sealing head 400 is rotated, and the sealing head 400 moves in a direction away from the female head shell 110 or the male head shell 210 when rotating, and the sealing head 400 drives the cable to move when moving due to the tight connection between the sealing fixing block 420 and the cable, so that a new crimping contact point can be formed, and the crimping effect is ensured.

The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.

Claims

1. A photovoltaic connector, characterized in that:

The connector comprises a connector female head, a connector male head, two pressing blocks, two fastening sleeves and two sealing heads; the connector female comprises a female housing and a female terminal; a first installation channel for a cable to pass through is formed in the female head shell, and the first installation channel is arranged along a first direction; the female terminal is arranged in the first mounting channel and comprises a first connecting pipe and a first pressing piece; the first connecting pipe is arranged along a first direction, the two ends of the first connecting pipe are a first end and a second end, and the first crimping piece is fixedly arranged at the first end of the first connecting pipe;

The male connector comprises a male connector shell and a male terminal, a second installation channel for a cable to pass through is formed in the male connector shell, and the second installation channel is arranged along a first direction; the male terminal is arranged in the second mounting channel and comprises a second connecting pipe and a second pressing piece; the second connecting pipe is arranged along the first direction and provided with a third end and a fourth end, and the second connecting pipe is arranged in the first connecting pipe; the second press connection piece is fixedly arranged at the fourth end of the second connecting pipe; the male head shell and the female head shell are sequentially arranged along a first direction, and the second end of the first connecting pipe is close to the third end of the second connecting pipe;

the two crimping blocks are respectively arranged in the first mounting channel and the second mounting channel, and the crimping blocks are positioned at the openings of the first crimping piece or the second crimping piece; the pressing block can slide along a second direction, and the second direction is perpendicular to the first direction; the crimping block is used for propping against the first crimping piece or the second crimping piece; each crimping block is provided with a jacking column, the jacking columns are arranged along a first direction, the jacking columns are matched with the inclined planes of the crimping blocks, and the jacking columns are pushed to enable the crimping blocks to move towards a second direction;

One of the sealing heads is arranged at one end of the female head shell close to the first end of the first connecting pipe; the other sealing head is arranged at one end of the male head shell close to the fourth end of the second connecting pipe; the two sealing heads are used for respectively sealing the female head shell and the male head shell, and clamping assemblies are arranged on the sealing heads and used for clamping cables; each fastening sleeve is rotationally sleeved on one sealing head, and the fastening sleeve is used for connecting the sealing head with the female head shell or the male head shell and can push the jacking column;

Along the second direction, two deformation grooves are formed in one side, close to the first pressure contact piece or the second pressure contact piece, of the pressure contact block, the deformation grooves are formed along the first direction, and the openings of the deformation grooves face the first pressure contact piece or the second pressure contact piece; along the first direction, the deformation groove comprises a first clamping groove and a second clamping groove which are sequentially arranged, the first clamping groove is arc-shaped, the second clamping groove is in a round table shape, and one end of the second clamping groove with smaller radius is connected with the first clamping groove; two sides of the first crimping piece are respectively arranged in two first clamping grooves of one crimping block; two sides of the second crimping piece are respectively arranged in two first clamping grooves of the other crimping block;

the first end of the first connecting pipe is fixedly provided with a first guide piece, the first guide piece is positioned between the first connecting pipe and the first crimping piece, the first guide piece and the first crimping piece are deformable, the cross sections of the first guide piece and the first crimping piece perpendicular to the first direction are U-shaped, the first guide piece and the first crimping piece are arranged along the second direction, the opening directions of the first guide piece and the first crimping piece are consistent, and in the second direction, the length of the first guide piece is larger than that of the first crimping piece;

the fourth end of the second connecting pipe is fixedly provided with a second guide piece, the second guide piece is positioned between the second connecting pipe and the second crimping piece, the second guide piece and the second crimping piece can be deformed, the cross sections of the second guide piece and the second crimping piece perpendicular to the first direction are U-shaped, the second guide piece and the second crimping piece are arranged along the second direction, the opening directions of the second guide piece and the second crimping piece are consistent, and in the second direction, the length of the second guide piece is larger than that of the second crimping piece; two sides of the U-shaped structure of the first guide piece are respectively arranged in two second clamping grooves of one crimping block; two sides of the U-shaped structure of the second guide piece are respectively arranged in two second clamping grooves of the other crimping block;

The female head shell is provided with a first reserved passage, the first reserved passage is arranged along a first direction, and the first reserved passage is communicated with the first installation passage; the male shell is provided with a second reserved passage, the second reserved passage is arranged along the first direction, and the second reserved passage is communicated with the second installation passage; the two jacking posts are respectively arranged in the first reserved passage and the second reserved passage in a sliding manner;

a jacking block is fixedly arranged at one end of the jacking column, which is positioned in the first installation channel or the second installation channel, and a first inclined plane is arranged on the jacking block; the second inclined plane is arranged on one side of the pressing block, which is far away from the first guide piece or the second guide piece, and the inclination angles of the second inclined plane and the first inclined plane are the same, and the second inclined plane and the first inclined plane are propped against each other; the fastening sleeve is arranged along the first direction, and one end of the jacking column, which is positioned outside the first reserved passage or the second reserved passage, abuts against the end face of the fastening sleeve.

2. A photovoltaic connector according to claim 1, wherein:

The sealing head comprises an adjusting cylinder, the clamping assembly comprises a plurality of sealing fixing blocks, the adjusting cylinder is arranged along a first direction, and a wire inlet channel arranged along the first direction is formed in the adjusting cylinder; the circumference wall of the adjusting cylinder is provided with a plurality of first channels, the first channels are distributed along the circumference of the adjusting cylinder, and the first channels are communicated with the wire inlet channel; each sealing fixing block is fixedly arranged in one first channel, is made of rubber material, and has a thickness greater than that of the first channel along the radial direction of the adjusting cylinder; one end of the fastening sleeve, which is far away from the female head shell or the male head shell, is fixedly provided with a baffle ring, the baffle ring is arranged in the fastening sleeve, the diameter of the inner part of the baffle ring is equal to that of the adjusting cylinder, and the baffle ring is used for propping against the sealing fixing block.

3. A photovoltaic connector according to claim 2, characterized in that:

The outer peripheral wall of one end of the female head shell, which is close to the first end of the first connecting pipe, is provided with a first thread; the outer peripheral wall of one end of the male head shell, which is close to the fourth end of the second connecting pipe, is provided with a second thread; the inner peripheral wall of the fastening sleeve is provided with a third thread which is used for being in threaded fit with the first thread or the second thread, the outer peripheral wall of the adjusting cylinder is provided with a fourth thread, and the fourth thread is in threaded fit with the third thread; the threads of the first thread, the second thread and the fourth thread are the same in rotation direction.

4. A photovoltaic connector according to claim 1, wherein:

The first connecting pipe is internally and fixedly provided with a first circular baffle, and the first circular baffle and the first connecting pipe are concentrically arranged; the second connecting pipe is internally and fixedly provided with a second circular baffle, and the second circular baffle and the second connecting pipe are concentrically arranged.

5. A photovoltaic connector according to claim 1, wherein:

A first annular groove is formed in the first mounting channel, and the axis of the first annular groove is arranged along a first direction; a second annular groove is formed in the second installation channel, and the axis of the second annular groove is arranged along the first direction;

the first end of the first connecting pipe is fixedly provided with a plurality of first clamping convex blocks, the plurality of first clamping convex blocks are distributed along the circumferential direction of the first connecting pipe, and the first clamping convex blocks are positioned between the first connecting pipe and the first guide piece; the first clamping convex block is obliquely arranged, gradually far away from the circle center of the first connecting pipe along the direction from the second end to the first end of the first connecting pipe, and can deform, and the first clamping convex block is arranged in the first annular groove;

The fourth end of the second connecting pipe is fixedly provided with a plurality of second clamping convex blocks, the second clamping convex blocks are distributed along the circumferential direction of the second connecting pipe, and the second clamping convex blocks are positioned between the second connecting pipe and the second guide piece; the second card lug slope sets up, along the direction from the third end to the fourth end of second connecting pipe, and the centre of a circle of second connecting pipe is kept away from gradually to the second card lug, and the second card lug can be deformed, and the second card lug sets up in the second annular.

6. A photovoltaic connector according to claim 1, wherein:

the second end of first connecting pipe is fixed and is provided with a plurality of master pieces, and a plurality of master pieces are along the circumference distribution of first connecting pipe, and the master piece can deform, and a plurality of master pieces are used for setting up in the outside of second connecting pipe.

7. A photovoltaic connector according to claim 1, wherein:

Two connecting holes are formed in the peripheral wall of the female head shell; one end of the male head shell, which is close to the second end of the second connecting pipe, is fixedly provided with two connecting rods, the connecting rods are arranged along the first direction, each connecting rod is fixedly provided with a connecting buckle, and each connecting buckle is arranged in one connecting hole.

8. A photovoltaic connector according to claim 1, wherein:

the third end of the male shell is fixedly provided with a third connecting pipe, the third connecting pipe is arranged along the first direction and used for being arranged in the first installation channel, and the peripheral wall of the third connecting pipe is provided with a sealing ring.